National Freeway 4

National freeway 4 is a freeway that begins in Qingshui District, Taichung at Provincial Highway 17 and ends in Tanzi District at Provincial Highway 74.

Length
The total length is 28.0 km (17.4 miles).

Major cities along the route

 * Taichung City

Lanes
The lanes in each direction are listed below.
 * 3 lanes:
 * Qingshui Top - Fengshi IC
 * 2 lanes:
 * Fengshi IC-Tanzi System